That is the forecast of the Housing Bureau, that disclosed a study on the matter.
CEM na Mídia
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Study measures slum growing rate in counties and shows that in the last decade 464 erratic areas have emerged
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City hall and CMS's research expands the concept of slum used in the 2000 IBGE census, that works with the so called "subnormal agglomeration."
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A large part of municipal school education has a child per classroom number higher than the maximum allowed by the City Department of Education.